/*
 * Copyright (c) 2020 - present, Inspur Genersoft Co., Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package io.iec.edp.caf.rpc.extension.context;

import io.iec.edp.caf.boot.context.CAFFrameworkContextHolder;
import io.iec.edp.caf.commons.utils.SpringBeanUtils;
import io.iec.edp.caf.core.context.FrameworkContext;
import io.iec.edp.caf.core.context.ICAFContextService;
import io.iec.edp.caf.core.session.Session;
import io.iec.edp.caf.rpc.api.entity.RpcContext;
import io.iec.edp.caf.rpc.api.spi.RpcContextTransmittee;
import lombok.extern.slf4j.Slf4j;
import lombok.var;

@Slf4j
public class FrameworkContextTransmitter implements RpcContextTransmittee {
    public static final String FRAMEWORKCONTEXT = "transmitte-frameworkcontext";
    @Override
    public String identify() {
        return TransmitteType.FRAMEWORKCONTEXT.getValue();
    }

    @Override
    public RpcContext capture() {
        ICAFContextService service = SpringBeanUtils.getBean(ICAFContextService.class);
        RpcContext context = RpcContext.getInstance();
        context.putContext(FRAMEWORKCONTEXT,service.getFrameworkContext());
        return context;
    }

    @Override
    public void replay(RpcContext newContext) {
        if (log.isDebugEnabled()) {
            FrameworkContext frameworkContext = (FrameworkContext)newContext.getContextMap().get(FRAMEWORKCONTEXT);
            if (frameworkContext != null) {
                Session parent = frameworkContext.getParent();
                log.debug("Frame: {}, parent {}", frameworkContext.getId(), (parent != null) ? parent.getId() : null);
            }
        }
        var framecontext = newContext.getContextMap().get(FRAMEWORKCONTEXT);
        if (framecontext != null) {
            CAFFrameworkContextHolder.purge();
            CAFFrameworkContextHolder.setCurrentContext((FrameworkContext)framecontext);
        }
    }

    @Override
    public void restore(RpcContext newContext) {
        CAFFrameworkContextHolder.purge();
    }
}
